AOSTIRMOTOR S17 1500W Fat is a powerful all-terrain electric mountain bike designed for off-road riding and commuting, offering strong 1500W motor performance, full suspension comfort, and long-range battery capability. AOSTIRMOTOR S17 48V 20Ah 1500W Fat Tire Electric Bike features a 48V 20Ah removable lithium battery, high-torque 1500W brushless hub motor, and fat 26” x 4.0” tires for excellent grip on snow, sand, gravel, and rough roads. Therefore, it is ideal for riders who want a strong, stable, and adventure-ready electric bike.
1500W High-Power Motor
The S17 is powered by a 1500W rear hub motor delivering strong torque and a top speed of up to around 50 km/h (31 mph).
As a result, it provides solid climbing ability and fast acceleration on mixed terrain.
48V 20Ah Long-Range Battery
It comes with a 48V 20Ah lithium battery (around 960Wh capacity) that supports extended riding and can be removed for easy charging.
So, riders can enjoy longer trips with fewer charging stops.
Full Suspension Comfort System
It includes front and rear suspension designed to absorb shocks and improve ride comfort on rough terrain.
Therefore, it delivers a smoother experience on trails and uneven roads.
26” x 4.0” Fat Tires for Stability
It features wide fat tires that improve traction on sand, snow, dirt, and gravel.
As a result, it enhances balance and control across all terrains.
Durable Aluminum Alloy Frame
It uses a 6061 aluminum alloy frame designed for strength and durability while keeping weight manageable.
So, it supports heavy-duty riding and long-term use.
LCD Display System
It comes with a backlit LCD display showing speed, battery level, mileage, and ride data.
Therefore, riders can easily monitor performance during rides.
Shimano 7-Speed Gear System
It includes a Shimano 7-speed drivetrain for better control and pedaling efficiency on different terrains.
Perfect for Off-Road Riders
The AOSTIRMOTOR S17 1500W Fat Tire Electric Bike is ideal for riders who want a powerful, rugged, and stable electric bike for adventure riding and daily commuting.









Blake Foster (verified owner) –
I appreciate how easy it was to assemble and set up.
Juan Delgado (verified owner) –
I love being able to ride farther without getting tired.
Logan Rivera (verified owner) –
The controls are simple and easy to understand.
Paul Bailey (verified owner) –
This electric bike feels very stable and secure.
Anthony Martinez (verified owner) –
I bought this electric bike to replace short car trips, and it’s been perfect.
Pedro Castillo (verified owner) –
This bike makes hills feel almost effortless.
Henry Turner –
Assembly was easy, and I was riding within an hour.
Dylan Scott –
The build quality is solid, and everything feels well put together.
Luis Morales (verified owner) –
I love how effortless riding feels with pedal assist.
James Carter –
Charging is simple and doesn’t take too long.
Adam Cook –
The build quality is solid, and everything feels well put together.
Tyler Walker (verified owner) –
The motor assistance feels very natural and responsive.
Paul Bailey –
It’s a great alternative to public transportation.
Samuel Hall –
This e-bike has helped me get back into cycling after years.
Nathan Lopez –
The build quality is solid, and everything feels well put together.
Michael Thompson –
Great value for the price. Totally worth it.
Jorge Gutierrez –
The pedal assist is smooth and makes riding uphill so much easier.
Francisco Romero –
The display panel is clear and easy to read.
Jason Bell (verified owner) –
The motor provides just the right amount of assistance.
Alex Stewart –
This e-bike has helped me get back into cycling after years.
William Morris –
It handles hills like a pro—no more struggling or getting tired.
Cole Long –
Definitely one of the best purchases I’ve made recently.
Aaron Lewis –
The range is exactly what I needed for my daily use.
Eric Murphy –
Battery life is impressive—I can go days without needing a recharge.
Miguel Sanchez –
It’s perfect for city riding. Quick, quiet, and very convenient.
Ethan Green –
Battery life is impressive—I can go days without needing a recharge.
Fernando Vega –
It handles hills like a pro—no more struggling or getting tired.
Logan Rivera –
I’ve replaced most of my car trips with this bike.
Joseph King –
Battery life is impressive—I can go days without needing a recharge.